Keith Sommers, M.D.
NPI 1821193939 · Gynecology Physician · Smithtown, NY
Enrolled with Medicare as Practitioner - Obstetrics/Gynecology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Keith Sommers, M.D. is a Gynecology Physician provider in Smithtown, NY (NPI 1821193939).
Provider details
- NPI number
- 1821193939
- Entity type
- Individual
- Primary specialty
- Gynecology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 176445 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-09-13
- Last updated
- 2023-07-18
- Certified
- 2023-07-18
Frequently asked questions
- What is Keith Sommers's NPI number?
- Keith Sommers's National Provider Identifier (NPI) is 1821193939, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Keith Sommers's specialty?
- Keith Sommers is listed in the NPPES registry with a primary specialty of Gynecology Physician (Allopathic & Osteopathic Physicians).
- Where is Keith Sommers located?
- Keith Sommers's practice location on file with NPPES is 148 Terry Rd, Smithtown, NY 11787-5102.
- What is Keith Sommers's phone number?
- The practice phone number listed in the NPPES registry for Keith Sommers is (631) 862-4000.
- Does Keith Sommers accept Medicare?
- Keith Sommers is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Keith Sommers's NPI active?
- Yes — Keith Sommers's NPI (1821193939) is active in the NPPES registry as of the last update on 2023-07-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.